Cerro Tololo Inter-American Observatory

Cerro Tololo Inter-American Observatory

The Cerro Tololo Inter-American Observatory is an astronomical observatory located on the summit of Mt. Cerro Tololo in the Coquimbo Region of northern Chile, with additional facilities located on Mt. Cerro Pachón about 10 kilometres to the southeast. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Cerro Tololo Inter-American Observatory, Chile, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

90%


Total
Publications

1.9K


Total Open
Publications

1.7K


Total
Citations

138K


Open Access
Percentage

90%


Total
Publications

1.9K


Total Open
Publications

1.7K


Total
Citations

138K

Wikipedia

Website

download

Breakdown

13% 74% 3% 10%

Publisher Open

13%

Both

74%

Other Platform Open

3%

Closed

10%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0102030405060708090100110120Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

90%OA Journal

OA Journal 90%

1.5K

Hybrid 1%

20

No Guarantees 9%

150

Other Platform Open

Preprint 83%

1.2K

Institution 57%

851

Other Internet 18%

264

Public 6%

83

Domain 0%

5

Other Platform Locations

Name

Platform Type

Publications

Office of Scientific and Technical Information
Institution
1.4K
arXiv
Preprint
1.3K
DOI
Other Internet
304
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
282
aecid.es OAI-PMH Repository
Institution
250
LA Referencia
Institution
198
Figshare
Public
86
University of Trieste
Institution
82
University of Oslo
Institution
82
doaj.org OAI-PMH Repository
Institution
76
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Data updated 12 August 2026

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